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Determination of the formula of hydrated iron sulphate
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Determination of the formula of hydrated iron sulphate Analysis Method 1 Results Mass of iron sulphate before heating 1.372 Mass of iron sulphate after heating the 1st time 0.698 Mass of iron sulphate after heating the 2nd time 0.718 Mass of iron sulphate after heating the 3rd time 0.720 Mass of iron sulphate after heating the 2nd time 0.720 Final mass of iron sulphate after heating 0.720 The mass of FeSO4. xH2O I weighed out to begin was 1.372g. After heating the mass was 0.720g. Having heated the FeSO4. xH2O all of the water has evaporated out so the mass that I am left with is the mass of FeSO4 which was 0.72 g. The mass of the H2O can then be calculated by subtracting the mass of FeSO4 from the mass of FeSO4. xH2O. Therefore; Mass of H2O = Mass of FeSO4. xH2O - Mass of FeSO4 Mass of H2O = 1.372 - 0.72 Mass of H2O = 0.652g So I now know both the mass of H2O and the mass...
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